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Voss6371140

: Image loses transparency when added to another image Please keep in mind that I have no idea what I’m doing with image editing. I have a watermark that I want to add to images, but it

@Voss6371140

Posted in: #Gif #Gimp #Transparency

Please keep in mind that I have no idea what I’m doing with image editing.

I have a watermark that I want to add to images, but it loses it’s transparency when I try to stick it on a picture. I’ve tried the watermark as RGB and as greyscale. I read through the GIMP discussion site and found an answers that gave three possible methods (here), but I still couldn’t get it to work. (I didn’t understand the “Channels dialog” part of the second and third methods, and for the first method, I couldn't get the floating selection anchored in the mask.)

This can't be a hard thing to do — I feel like there’s something very basic that I’m just missing.

Below are the images that I'm using.

The image that I want to watermark:


The watermark with transparent background:


Same as above, with transparency pattern added for visibility:


Result:

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@Cofer715

As the original poster pointed out in the comments, this can happen if the image has indexed colours, and transparency is not one of the indexed colour values.

You can easily tell if your image is indexed, as the titlebar of gimp will contain indexed somewhere past the filename, Also, if your image is indexed, a marker will appear next to the Indexed... menu item in the Image > Mode menu.

To convert your image to the RGB colourspace, in the menus, choose Image > Mode > RGB.

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